body {
    font-family: Arial, sans-serif;
    padding: 20px;
}
.upload-container {
    width: 100%;
    max-width: 300px;
    height: 200px;
    border: 2px dashed #ccc;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    position: relative;
    background-color: #f9f9f9;
    transition: border-color 0.3s;
}
.upload-container.dragover {
    border-color: #000;
}
.upload-input {
    display: none;
}
.upload-label {
    display: block;
    width: 100%;
    height: 100%;
    text-align: center;
    line-height: 200px;
    cursor: pointer;
    color: #666;
    transition: color 0.3s;
}
.upload-container.dragover .upload-label {
    color: #000;
}
.upload-button {
    display: block;
    width: 100%;
    max-width: 300px;
    margin: 20px auto;
    padding: 10px;
    background-color: #007bff;
    color: #fff;
    border: none;
    cursor: pointer;
    text-align: center;
    border-radius: 5px;
    transition: background-color 0.3s;
}
.upload-button:hover {
    background-color: #0056b3;
}
.uploaded-urls {
    width: 100%;
    max-width: 400px;
    margin: 20px auto;
    padding: 10px;
    background-color: #f1f1f1;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}
.uploaded-urls h3 {
    margin: 0 0 10px;
    font-size: 1.2em;
}

@media (max-width: 600px) {
    .upload-container, .upload-button, .uploaded-urls {
        width: 90%;
    }
}